package com.mp.demo.generator;

import com.baomidou.mybatisplus.core.exceptions.MybatisPlusException;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.generator.AutoGenerator;
import com.baomidou.mybatisplus.generator.InjectionConfig;
import com.baomidou.mybatisplus.generator.config.*;
import com.baomidou.mybatisplus.generator.config.po.TableInfo;
import com.baomidou.mybatisplus.generator.config.rules.DateType;
import com.baomidou.mybatisplus.generator.config.rules.NamingStrategy;
import com.baomidou.mybatisplus.generator.engine.FreemarkerTemplateEngine;

import java.text.ParseException;
import java.util.*;


/**
 * @Author:CaiShuangLian
 * @FileName:
 * @Date:Created in  2022/8/01 16:36
 * @Version:
 * @Description:TODO
 */



public class CodeGenerator {
    /**
     *    * <p>
     *    * 读取控制台内容
     *    * </p>
     *    
     */
    public static String scanner(String tip) {
        Scanner scanner = new Scanner(System.in);
        StringBuilder help = new StringBuilder();
        help.append("请输入" + tip + "：");
        System.out.println(help.toString());
        if (scanner.hasNext()) {
        String ipt = scanner.next();
        if (StringUtils.isNotBlank(ipt)) {
            return ipt;
        }
        }
        throw new MybatisPlusException("请输入正确的" + tip + "！");
  }
  

    public static void main(String[] args) throws ParseException {
      // 代码生成器
      AutoGenerator mpg = new AutoGenerator();
      // 全局配置
      GlobalConfig gc = new GlobalConfig();
      String projectPath = System.getProperty("user.dir");
      gc.setOutputDir(projectPath + "/src/main/java");
      //作者
      gc.setAuthor("CaiShuangLian");
      //打开输出目录
      gc.setOpen(false);
      //xml开启 BaseResultMap
      gc.setBaseResultMap(true);
      //xml 开启BaseColumnList
      gc.setBaseColumnList(true);
      //日期格式，采用Date
      gc.setDateType(DateType.ONLY_DATE);
      mpg.setGlobalConfig(gc);
      // 数据源配置
      DataSourceConfig dsc = new DataSourceConfig();
      
      dsc.setUrl("jdbc:mysql://localhost:3306/room_booking?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia"+"/Shanghai");
      dsc.setDriverName("com.mysql.cj.jdbc.Driver");
      dsc.setUsername("root");
      dsc.setPassword("1234");
      mpg.setDataSource(dsc);
      // 包配置
      PackageConfig pc = new PackageConfig();
      pc.setParent("com.mp.demo")
           .setEntity("data.entity")
           .setMapper("mapper")
           .setService("service")
           .setServiceImpl("service.impl")
           .setController("controller");
      mpg.setPackageInfo(pc);
      // 自定义配置
      InjectionConfig cfg = new InjectionConfig() {
        @Override
            public void initMap() {
            // to do nothing
            Map<String, Object> map = new HashMap<>();
            map.put("date1", "1.0.0");
            this.setMap(map);
        }
    
        };
      // 如果模板引擎是 freemarker
      String templatePath = "/templates/mapper.xml.ftl";
      // 如果模板引擎是 velocity
      // String templatePath = "/templates/mapper.xml.vm";
      // 自定义输出配置
      List<FileOutConfig> focList = new ArrayList<>();
      // 自定义配置会被优先输出
      focList.add(new FileOutConfig(templatePath) {
        @Override
            public String outputFile(TableInfo tableInfo) {
            // 自定义输出文件名 ， 如果你 Entity 设置了前后缀、此处注意 xml 的名称会跟着发生变化！！
            return projectPath + "/src/main/resources/mapper/" +
                        tableInfo.getEntityName() + "Mapper"
                  +StringPool.DOT_XML;
        }
    
        });
      cfg.setFileOutConfigList(focList);
      mpg.setCfg(cfg);
      // 配置模板
      TemplateConfig templateConfig = new TemplateConfig()
           .setEntity("templates/entity2.java")
           .setMapper("templates/mapper2.java")
           .setService("templates/service2.java")
           .setServiceImpl("templates/serviceImpl2.java")
           .setController("templates/controller2.java");
      templateConfig.setXml(null);
      mpg.setTemplate(templateConfig);
        // 策略配置
      StrategyConfig strategy = new StrategyConfig();
      //数据库表映射到实体的命名策略
      strategy.setNaming(NamingStrategy.underline_to_camel);
      //数据库表字段映射到实体的命名策略
      strategy.setColumnNaming(NamingStrategy.underline_to_camel);
      //lombok模型
      strategy.setEntityLombokModel(true);
      //生成 @RestController 控制器
      // strategy.setRestControllerStyle(true);
      strategy.setInclude(scanner("表名，多个英文逗号分割").split(","));
      strategy.setControllerMappingHyphenStyle(true);
      //表前缀
//      strategy.setTablePrefix("t_");
      mpg.setStrategy(strategy);
      mpg.setTemplateEngine(new FreemarkerTemplateEngine());
      mpg.execute();
  }
}
